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Finding the Fourth Proportional to 603,391.44, 905,075.33 and 243,552.72

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Solution

The fourth proportional to 603,391.44, 905,075.33 and 243,552.72 is: 365,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,391.44 : 905,075.33 = 243,552.72 : x
  2. Step 2: Convert to fraction form
    603,391.44/905,075.33 = 243,552.72/x
  3. Step 3: Cross multiply
    603,391.44x = 905,075.33 × 243,552.72
  4. Step 4: Simplify right side
    603,391.44x = 220,433,557,208.63
  5. Step 5: Solve for x
    x = 220,433,557,208.63/603,391.44
  6. Step 6: Final answer
    x = 365,324.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.